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1.Temperature range: -30 to 140 degree, 2.High flexibility, extension rate is around 1:10, 3.flame and heat resistant - details see: https://www.machineto.com/aluminum-kitchen-vent-hose-10208427

Material:

Double layers of aluminum foil reinforced with high tensile spring steel wire

Properties:

High flexibility and axial compressibility, extension rate is around 1:10

flame and heat resistant

Aluminum foil thickness: 0.035mm

Available Szies: 75mm to 750mm

Temperature range: -30°C~+140°C

Maxim Air Flow: 30m/s

Maxim working pressure: 2500 pa

Standard Length: 10m/pc

Application:

The aluminum foil air duct is especially ideal for high pressure and low pressure ventilation system, like range hood.

It can be fixed directly on the fittings. In case of fire or high temperature, there is no toxic gas.

Sizes: 3" ~ 20"